TY - CONF AU - Itano, Wayne AU - Bergquist, James AU - Bollinger, John AU - Wineland, David C2 - Enrico Fermi Summer School, Laser Manipulation of Atoms and Ions , Varenna, IT DA - 1991-01-01 LA - en PB - Enrico Fermi Summer School, Laser Manipulation of Atoms and Ions , Varenna, IT PY - 1991 TI - Laser Cooling of Trapped Ions ER -